where does the krebs cycle take place?

best answer
Krebs Cycle Steps. It is an eight-step process. The Krebs cycle takes place in the matrix of mitochondria under aerobic conditions. Step 1 The first step is the condensation of acetyl CoA with oxaloacetate (4C) to form citrate (6C) coenzyme A is released. The reaction is catalyzed by citrate synthase.